Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
07/2001
07/12/2001DE19962905A1 Bridged cyclopentadienyl compounds and corresponding metallocene catalysts are useful for the production of polyolefins, preferably ethylene-propylene copolymers
07/11/2001EP1114070A1 Process for preparing polyolefin polymerization catalysts
07/11/2001EP1113870A1 Solid reactor with an antistatic coating for carrying out reactions in a gaseous phase
07/11/2001CN1303400A Propylene homopolymers and methods for making the same
07/11/2001CN1068338C Polymeric process of alpha-olefines
07/11/2001CN1068332C Metalocenes compound
07/11/2001CN1068331C Transition metal catalyst based on bidentate ligands containing pyridine or quinoline moiety
07/11/2001CN1068329C Metallocenic compound
07/10/2001US6258902 Olefin polymerization process
07/05/2001WO2001048041A1 Propylene polymers with an ultra high melt flow rate
07/05/2001WO2001048039A2 Process for the preparation of ethylene polymers
07/05/2001WO2001048038A1 Hybrid ziegler-natta and cycloalkadienyl catalysts for the production of polyolefins
07/05/2001WO2001048035A2 Chemical compound, method for the production thereof and its use in catalyst systems for producing polyolefins
07/05/2001WO2001048034A2 Transition metal compound, ligand system, catalyst system and the use of the latter for the polymerisation and copolymerisation of olefins
07/05/2001WO2001048027A1 Polymerization catalysts and processes therefor
07/05/2001WO2001047939A1 Heterocyclic metallocene compounds and use thereof in catalyst systems for producing olefin polymers
07/05/2001US20010007008 Electron donors in a ziegler-natta catalyst for the production of high melt flow copolymers
07/05/2001DE19962910A1 Chemische Verbindung, Verfahren zu deren Herstellung und deren Verwendung in Katalysatorsystemen zur Herstellung von Polyolefinen Chemical compound, processes for their preparation and their use in catalyst systems for preparing polyolefins
07/05/2001DE19962130A1 Teilkristalline Propylenpolymerisat-Zusammensetzungen mit guter Eignung zur Herstellung von biaxial orientierten Folien The semicrystalline propylene polymer compositions with good suitability for producing biaxially oriented films
07/05/2001CA2396620A1 Polymerization catalysts and processes therefor
07/05/2001CA2395922A1 Propylene polymers with an ultra high melt flow rate
07/05/2001CA2363265A1 Heterocyclic metallocene compounds and use thereof in catalyst systems for producing olefin polymers
07/04/2001EP1113026A2 Catalyst component for addition polymerization, catalyst for addition polymerization, and process for producing addition polymer
07/04/2001EP1112293A1 Polymerization process using an improved bulky ligand metallocene-type catalyst system
07/04/2001EP1112292A1 Polymerization of olefins
07/04/2001EP1112278A1 Catalyst component having at least a phosphinimine ligand and a heteroatom ligand
07/04/2001EP1112277A1 Sulfonyl catalysts and method of using the same
07/04/2001CN1302303A Cyclopentadienyl transition metal compounds, as polymerization catalysts
07/04/2001CN1301600A Organic metal catalyst composition
07/03/2001US6255531 Polymerization catalysts
07/03/2001US6255515 Coordination polymerization catalysts
07/03/2001US6255508 Coordination catalyst; alpha-olefin polymerization catalyst
07/03/2001US6255506 Supported system in polymerization or copolymerization of high molecular weight polyolefins of high isotacticity and narrow molecular-weight distribution; films, sheets or large hollow articles or moldings
07/03/2001US6255419 Olefin polymerization catalyst and process for producing olefin polymers
07/03/2001US6255418 Organochromium catalysts formed by reaction of donor ligand substituted organyl chromium complexes with lewis acids, which have high catalytic activity in polymerization and copolymerization of alkenes
07/03/2001US6255417 Process for the preparation of olefinic polymers using metallocene catalyst
07/03/2001US6255414 Contacting olefin selected from group consisting of ethylene, alpha-olefin, styrene, cyclopentene, and norbornene with active polymerization catalyst comprising transition metal complex of bis/carboximidamidatonate/ ligands
07/03/2001US6255413 Conducting polymerization of ethylene or ethylene and alpha-olefin in polymerization zone in presence of hydrogen, using catalyst consisting essentially of chromium oxide on silica support, wherein alpha-olefin is produced in situ
07/03/2001US6255247 Conventional supported ziegler-natta transition metal compound catalyst; cyclohexylmethyldimethoxylsilane as an external electron donor
07/03/2001CA2125246C Transition metal compound and olefin polymerization catalyst using the same
07/03/2001CA2090872C Process for producing crystalline poly-alpha-olefins with a monocyclopentadienyl transition metal catalyst system
06/2001
06/28/2001WO2001046276A1 Metallocene catalysts having multi-nuclear constrained geometry and ethylene/aromatic vinyl compound co-polymers prepared by using the same
06/28/2001WO2001046274A1 Partly crystalline propylene polymerisate composition for production of biaxial-stretched polypropylene films
06/28/2001WO2001046271A1 Method for production of a solid catalyst for olefin polymerisation
06/28/2001WO2001046270A1 'sweet' mao
06/28/2001WO2001046201A1 Gallium or indium-bridged group 4 metal complexes
06/28/2001US20010005493 Apparatus and method for pressurizing a propylene polymerization reactor
06/28/2001DE19963589A1 Production of metal complexes useful as catalysts, e.g. for oligomerization or polymerization of olefins, alkynes or 1,3-dienes, comprises reacting an oxalamidine derivative with a metal compound
06/28/2001DE19962129A1 Solid metallocene catalyst, useful for olefin polymerization, comprises a particulate,support, an adduct of magnesium halide and a lower alkyl alcohol
06/28/2001CA2395218A1 Partly crystalline propylene polymerisate composition for production of biaxial-stretched polypropylene films
06/27/2001EP1110976A1 Partially crystalline propylene polymer compositions having an improved suitability for the preparation of biaxially oriented films
06/27/2001EP1109842A1 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use
06/27/2001EP1109839A1 Highly active supported catalyst compositions
06/27/2001CN1301272A Catalyst system
06/27/2001CN1300785A Process for preparing special material by radiation technique for blow injection of car's fender guard
06/27/2001CN1067693C Low grade polypropylene catalyst series and preparation method thereof
06/27/2001CN1067691C Carried polypropylene catalyst
06/27/2001CN1067689C Metallocene catalyst for polymerizing high molecular weight polyethylene and preparation thereof
06/26/2001US6252097 Transition metal compounds
06/26/2001US6252021 Process for producing polyisobutene using a catalytic system comprising transition metal-benzene derivative compound-methylaluminoxane
06/26/2001US6251997 Polypropylene resin composition and injection-molded article thereof
06/21/2001WO2001044324A2 Polymerization of olefins
06/21/2001WO2001044321A1 Method of polymerization
06/21/2001WO2001044319A2 Process and apparatus for making supported catalyst systems for olefin polymerisation
06/21/2001WO2001044318A1 Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins
06/21/2001WO2001044317A1 Method for the homogeneous catalytic production of highly branched amorphous polyolefins
06/21/2001WO2001044309A1 Organometal catalyst compositions
06/21/2001WO2001043862A1 Method and dosing device for the controlled introduction of solids into pressurized rooms
06/21/2001US20010004662 At least 50 mol % of the monomer units present arise from the polymerization of propylene; films, fibers or moldings made from these compositions, biaxially stretched films
06/21/2001US20010004657 High melt tension, high crystallization temperature; hollow moldings
06/21/2001DE19960123A1 Verfahren zur homogenkatalytischen Herstellung von hochverzweigten amorphen Polyolefinen A method for homogeneous catalytic preparation of highly branched amorphous polyolefins
06/21/2001DE19958604A1 Verfahren und Dosiervorrichtung zum regelbaren Einbringen von Stestoffen in Druckräume Method and metering for controllably introducing Stestoffen in pressure chambers
06/21/2001CA2362093A1 Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins
06/20/2001EP1108730A1 Magnesium compound, olefin polymerization catalyst and method for producing olefin polymer
06/20/2001EP0782589B1 Plastic linear low density polyethylene
06/19/2001US6248851 Ethylene polymer
06/19/2001US6248829 Polymers of propene
06/14/2001WO2001042344A1 Filled propylene polymer composition
06/14/2001WO2001042323A1 Articles formed from propylene diene copolymers
06/14/2001WO2001042257A1 Polymerization-active transition metal complex compounds comprising a sterically demanding ligand system
06/14/2001WO2001042249A1 Olefin polymerization cocatalysts derived from group-15 compounds and processes using them
06/14/2001WO2001041920A1 Organometal compound catalyst
06/14/2001CA2394693A1 Organometal compound catalyst
06/14/2001CA2393598A1 Articles formed from propylene diene copolymers
06/14/2001CA2391855A1 Olefin polymerization cocatalysts derived from group-15 compounds and processes using them
06/13/2001DE19959251A1 Polymerisationsaktive Übergangsmetallkomplexverbindungen mit sterisch anspruchsvollem Ligandensystem Polymerization-active transition metal complexes with sterically demanding ligand system
06/13/2001CN1299377A Polymersation catalysts
06/13/2001CN1299376A Polymerisation catalysts
06/13/2001CN1299375A Olfin polymerization catalyst componnet, its prepn. and use
06/12/2001US6245871 Group 8-10 transition metal olefin polymerization catalysts
06/12/2001US6245870 Introducing selected metallocene catalyst and alumoxane cocatalyst into polymerization reaction zone containing olefin monomer, maintaining reaction zone under polymerization reaction conditions, extracting syndiotactic/isotactic block
06/12/2001US6245706 Group-4 metallocene stabilized with an anionic polynuclear boron compound for improved polymer molecular weight control and narrow molecular weight distribution
06/07/2001WO2001040327A1 High-molecular polypropylene with a broad distribution of the molecular weight and a short isotactic sequence length
06/07/2001WO2001040322A1 Tris-(3,5-dimethylpyrazolyl)chromium borate dichloride as component of catalytic systems for the polymerization of olefins and polymerization process using it
06/07/2001WO2001040320A1 Catalyst for polymerization and co-polymerization of ethylene
06/07/2001CA2396474A1 Tris-(3,5-dimethylpyrazolyl)chromium borate dichloride as component of catalytic systems for the polymerization of olefins and polymerization process using it
06/06/2001EP0737694B1 Process for producing olefin polymer and ethylene polymer
06/05/2001USRE37208 Polyolefins prepared with metallocene catalysts having 2-substituted indenyl type ligands
06/05/2001US6242544 Polyolefins prepared using soluble metallocene compounds in combination with aluminoxanes; high molecular weight and isotacticity
06/05/2001US6242543 Process for producing polyethylenes having a broad molecular weight distribution, and a catalyst system used thereby